<template>
  <div class="hello">
    <div>
      <div class="hd">
        <div class="hd_21">第二层2.1</div>
        <div class="hd_22 ">第二层2.2</div>
      </div>
      <p>第一层</p>
    </div>
    <el-row class="mb-4">
    <el-button>Default</el-button>
    <el-button type="primary">Primary</el-button>
    <el-button type="success">Success</el-button>
    <el-button type="info">Info</el-button>
    <el-button type="warning">Warning</el-button>
    <el-button type="danger">Danger</el-button>
  </el-row>
  </div>
</template>

<script>
export default {
  name: 'HelloWorld',
  props: {
    msg: String
  }
}
</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->
<style lang="less" scoped>

.hello{
  display: flex;
  .hd{
    display: flex;
  }
  p{
    color: red;
  }
}

</style>
